<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script src="../vue.js"></script>
  </head>

  <body>
    <div id="app">
      <!-- 
        v-for遍历字符串 item就是每一个字符
       -->
      <h1>v-for遍历字符串</h1>
      <div>
        <p v-for="(item,index) of str">{{item}}--{{index}}</p>
      </div>

      <!-- 
        v-for遍历对象 item就是value index就是key
       -->
      <h1>v-for遍历对象</h1>
      <div>
        <p v-for="item,index in person">{{item}}--{{index}}</p>
      </div>

      <!-- 
        v-for遍历数字,其实就是遍历数字对应的次数 item从1开始到count   index仍然是下标
       -->
      <h1>v-for遍历数字</h1>
      <div>
        <p v-for="item,index in count">{{item}}---{{index}}</p>
      </div>
    </div>
    <script>
      Vue.config.productionTip = false;

      const vm = new Vue({
        el: "#app",
        data() {
          return {
            str: "abcdefg",
            person: {
              name: "xiaowang",
              age: 18,
              sex: "男",
            },
            count: 10,
          };
        },
      });
    </script>
  </body>
</html>
